CN207162932U - A kind of efficient direct-combustion boiler of middle temperature and pressure stalk - Google Patents

Abstract

The utility model discloses a kind of efficient direct-combustion boiler of middle temperature and pressure stalk, including air-introduced machine, flue, flue, body of heater, heating pipe, combustion chamber, feed screw and cigarette outlet device, the flue is fixedly mounted in body of heater, heating pipe's spiral is arranged on the outer wall of flue, the top of body of heater is provided with exhaust opening, triple valve is fixedly mounted in the underface of exhaust opening and triple valve is located at the neck of body of heater, the bottom of body of heater is connected with ash discharge groove, air blower is led to wind in First air air outlet by the outer wall of airduct through body of heater, feed screw is fixedly mounted on the bottom of body of heater, one end of feed screw is provided with feed hopper, the efficient direct-combustion boiler of the middle temperature and pressure stalk is simple in construction, use cost is low, fuel energy species is extensive, quantity of heat production is high, it is adapted to rural area to use.

Description

A kind of efficient direct-combustion boiler of middle temperature and pressure stalk

Technical field

Field of boilers is the utility model is related to, more particularly, to a kind of efficient direct-combustion boiler of middle temperature and pressure stalk.

Background technology

Biomass boiler is a species of boiler, be exactly with biomass energy as fuel boiler biomass pot Stove, it is divided into biomass steam boiler, biomass hot water boiler, biomass thermal wind furnace, biomass heat-conduction oil oven, vertical type biomass pot Stove, horizontal biomass boiler etc..

Boiler is using the combustion apparatus ----reciprocal grate for being best suitable for biomass fuel combustion.Boiler in structure design, Relatively conventional boiler furnace space is larger, while arranges very rational Secondary Air, is advantageous to moment during biomass fuel combustion The a large amount of volatile matters separated out fully burn.

Boiler can be furnished with fuel oil（Combustion gas）Start-up burner, realize igniting automation.The feed of boiler, burning, slagging-off, give Water, igniting can all be used and automatically controlled, and operation is very easy.Boiler is furnished with automatic ash removing device, can remove boiler in time and be heated The dust stratification in face, ensure high efficiency boiler stable operation.Boiler tail is disposed with economizer, can also be needed to arrange that air is pre- according to user Hot device.Relatively conventional boiler, boiler efficiency is higher, and exhaust gas temperature is low.

Now with biomass boiler major part biomass fuel use before must very by processing, make its become particle combustion Material, so as to cause use cost high, decline the heat utilization rate of boiler in itself.

Utility model content

The utility model is to overcome the above situation insufficient, it is desirable to provide a kind of technical scheme that can be solved the above problems.

A kind of efficient direct-combustion boiler of middle temperature and pressure stalk, including air-introduced machine, flue, flue, body of heater, heating pipe, burning Room, feed screw and cigarette outlet device, the flue are fixedly mounted in body of heater, and heating pipe's spiral is arranged on the outer wall of flue On, the top of body of heater is provided with exhaust opening, and triple valve is fixedly mounted for the underface of exhaust opening and triple valve is located at the neck of body of heater, stove The bottom of body is connected with ash discharge groove, and air blower is led to wind in First air air outlet by the outer wall of airduct through body of heater, spiral shell Rotation feeder is fixedly mounted on the bottom of body of heater, and one end of feed screw is provided with feed hopper, the end of feed screw and Combustion chamber, flue are provided with air-introduced machine, and the bottom of flue is connected by the middle-end of cigarette outlet device and feed screw, reheating Device is fixedly mounted in flue.

As further program of the utility model：The air outlet of the air blower is connected with air channel, and air channel passes through body of heater Outer wall and it is fitted around on flue, four annulars is respectively equipped with the inner ring of annular passage and tilt First air air outlets, once Wind air outlet is passed through in combustion chamber, and forms annular wind in a combustion chamber.

As the utility model further scheme：The triple valve is fixedly mounted on the neck of body of heater, triple valve First end connects with the top of combustion chamber, and the second end of triple valve connects with exhaust opening, the 3rd end of triple valve and the top of flue End connection.

As the utility model further scheme：Particle storehouse is provided between the feed hopper and feed screw, it is broken Motor is fixedly mounted on the outer wall of feed bin, particle axle is rotatably mounted on the inside in particle storehouse, and particle axle passes through shaft coupling with motor Connection.

As the utility model further scheme：The cigarette outlet device is double-layer seal cylinder, cigarette outlet device it is interior Annular seal space is formed between wall and outer wall, the outer ring of cigarette outlet device is provided with the smoke inlet connected with flue, the inwall of cigarette outlet device It is provided with and tilts outlet flue, the outlet flue on cigarette outlet device inwall connects with the warehouse of feed screw.

Compared with prior art, the beneficial effects of the utility model are：

This utility structure is simple, easy to operate, changes flue trend using triple valve, so that high-temperature flue gas obtains fully Utilize, this practicality can be such that the biological materials such as stalk are directly utilized in the case where being processed without needs, greatly reduce boiler Use cost, improve boiler heat production efficiency, and energy-conserving and environment-protective, be adapted to use in rural area.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the efficient direct-combustion boiler of middle temperature and pressure stalk.

Fig. 2 be middle temperature and pressure stalk efficient direct-combustion boiler in cigarette outlet device structural representation.

In figure：Air-introduced machine 1, flue 2, exhaust opening 3, triple valve 4, flue 5, body of heater 6, heating pipe 7, combustion chamber 8, once Wind air outlet 9, ash discharge groove 10, air blower 11, feed screw 12, motor 13, particle axle 14, feed hopper 15, cigarette outlet device 16, Reheater 17 and particle storehouse 18.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Refer to Fig. 1~2, in the utility model embodiment, a kind of efficient direct-combustion boiler of middle temperature and pressure stalk, including air inducing Machine 1, flue 2, exhaust opening 3, triple valve 4, flue 5, body of heater 6, heating pipe 7, combustion chamber 8, First air air outlet 9, ash discharge groove 10th, air blower 11, feed screw 12, motor 13, particle axle 14, feed hopper 15, cigarette outlet device 16, reheater 17 and particle storehouse 18, the flue 5 is fixedly mounted in body of heater 6, and the spiral of heating pipe 7 is arranged on the outer wall of flue 5, and the top of body of heater 6 is set There is exhaust opening 3, triple valve 4 is fixedly mounted for the underface of exhaust opening 3 and triple valve 4 is located at the neck of body of heater 6, the bottom of body of heater 6 It is connected with ash discharge groove 10, air blower 11 is led to wind in First air air outlet 9 by the outer wall of airduct through body of heater 6, spiral Feeder 12 is fixedly mounted on the bottom of body of heater 6, and one end of feed screw 12 is provided with feed hopper 15, feed screw 12 End connects with combustion chamber 8, and flue 2 is provided with air-introduced machine 1, and the bottom of flue 2 passes through cigarette outlet device 16 and feed screw 12 Middle-end connection, reheater 17 is fixedly mounted in flue 2, and the air outlet of the air blower 11 is connected with air channel, and air channel passes through The outer wall of body of heater 6 and it is fitted around on flue 5, four annulars is respectively equipped with the inner ring of annular passage and tilt First air air outlets 9, First air air outlet 9 is passed through in combustion chamber 8, and annular wind is formed in combustion chamber 8, makes fuel combustion more abundant, and firepower is more Concentrate；The triple valve 4 is fixedly mounted on the neck of body of heater 6, and the first end of triple valve 4 connects with the top of combustion chamber 8, threeway Second end of valve 4 connects with exhaust opening 3, and the 3rd end of triple valve 4 connects with the top of flue 2；The feed hopper 15 and spiral Particle storehouse 18 is provided between feeder 12, motor 13 is fixedly mounted on the outer wall in particle storehouse 18, particle axle 14 is rotatably mounted on broken The inside of feed bin 18, particle axle 14 are connected with motor 13 by shaft coupling；The cigarette outlet device 16 is double-layer seal cylinder, smoke Annular seal space is formed between the inwall and outer wall of device 16, the outer ring of cigarette outlet device 16 is provided with the smoke inlet connected with flue 2, gone out The inwall of cigarette device 16, which is provided with, tilts outlet flue, and the warehouse of the outlet flue on the inwall of cigarette outlet device 16 and feed screw 12 connects It is logical.

Operation principle of the present utility model is：

In use, first biomass fuel is placed in feed hopper 15, fuel enters spiral after being smashed in particle storehouse 18 In feeder 12, fuel is delivered in combustion chamber 8 under the promotion of feed screw 12, this device is without needing to biomass fuel It is processed, use cost is low, and high-temperature flue gas caused by burning heats the water in heating pipe 7, is available for routine use, flue gas By triple valve 4, close the second end of triple valve 4 and open and draw interior machine 1, high-temperature flue gas enters cigarette outlet device 16 by flue In, the working medium in reheater 17 is heated by high-temperature flue gas, and high-temperature flue gas is blown in feed screw 12 simultaneously by cigarette outlet device 16 Return in combustion chamber 8, high-temperature flue gas makes the fuel in feed screw 12 that the pre-heat treatment be dried, and makes fuel combustion more Fully, the 3rd end of triple valve 4 is closed, and flue 2 is closed, flue gas is directly discharged into air from exhaust opening 3.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation Involved claim.

Claims (5)

1. a kind of efficient direct-combustion boiler of middle temperature and pressure stalk, including air-introduced machine (1), flue (2), flue (5), body of heater (6), heating Water pipe (7), combustion chamber (8), feed screw (12) and cigarette outlet device (16), it is characterised in that the flue (5) is fixedly mounted In body of heater (6), heating pipe (7) spiral is arranged on the outer wall of flue (5), and the top of body of heater (6) is provided with exhaust opening (3), Triple valve (4) is fixedly mounted in the underface of exhaust opening (3) and triple valve (4) is located at the neck of body of heater (6), the bottom of body of heater (6) It is connected with ash discharge groove (10), wind is led to First air air outlet (9) by air blower (11) by the outer wall of airduct through body of heater (6) In, feed screw (12) is fixedly mounted on the bottom of body of heater (6), and one end of feed screw (12) is provided with feed hopper (15), the end of feed screw (12) connects with combustion chamber (8), and flue (2) is provided with air-introduced machine (1), the bottom of flue (2) It is connected by cigarette outlet device (16) with the middle-end of feed screw (12), reheater (17) is fixedly mounted in flue (2).

2. the efficient direct-combustion boiler of middle temperature and pressure stalk according to claim 1, it is characterised in that the air blower (11) Air outlet is connected with air channel, and air channel is through body of heater (6) outer wall and is fitted around on flue (5), divides in the inner ring of annular passage Not She You four annulars tilt First air air outlets (9), First air air outlet (9) is passed through in combustion chamber (8), and in combustion chamber (8) annular wind is formed in.

3. the efficient direct-combustion boiler of middle temperature and pressure stalk according to claim 1, it is characterised in that the triple valve (4) is solid Dingan County is mounted in the neck of body of heater (6), and the first end of triple valve (4) connects with the top of combustion chamber (8), and the second of triple valve (4) End connects with exhaust opening (3), and the 3rd end of triple valve (4) connects with the top of flue (2).

4. the efficient direct-combustion boiler of middle temperature and pressure stalk according to claim 1, it is characterised in that the feed hopper (15) with Particle storehouse (18) are provided between feed screw (12), motor (13), particle axle are fixedly mounted on the outer wall of particle storehouse (18) (14) inside of particle storehouse (18) is rotatably mounted on, particle axle (14) is connected with motor (13) by shaft coupling.

5. the efficient direct-combustion boiler of middle temperature and pressure stalk according to claim 1, it is characterised in that the cigarette outlet device (16) For double-layer seal cylinder, annular seal space is formed between the inwall and outer wall of cigarette outlet device (16), is set on the outer ring of cigarette outlet device (16) There is the smoke inlet connected with flue (2), the inwall of cigarette outlet device (16), which is provided with, tilts outlet flue, on cigarette outlet device (16) inwall Outlet flue connected with the warehouse of feed screw (12).